Nursing assistant (CNA) knowledge worksheet with answers

What is an indwelling (Foley) catheter?

1. AA tube put in and removed right away to empty the bladder once
2. BA tube that drains fluid from the stomach
3. CA tube that stays in the bladder to drain urine continuously
4. DA condom-like device worn over the penis

Which action keeps a professional boundary with residents?

1. ALending a resident money until payday
2. BKeeping your personal problems and phone number private
3. CAccepting an expensive watch as a gift
4. DInviting a resident to your home for a family dinner on a day off

What are passive range-of-motion exercises?

1. AExercises in which staff move the joints for the resident
2. BExercises that use heavy weights to build strength
3. CExercises that the resident does completely alone each day
4. DExercises done only in a warm swimming pool with a therapist

How is a 24-hour urine specimen collected?

1. AOnly urine passed during the night is collected
2. BThree random samples are collected during the day
3. CThe first urine is saved, then one sample is taken every 8 hours
4. DDiscard the first urine, then save all urine for 24 hours

With aging, which kind of sounds are often the first to become hard to hear?

1. ALow-pitched sounds
2. BThe person's own voice
3. CLoud sounds
4. DHigh-pitched sounds

When can raised side rails count as a restraint?

1. AOnly during the night shift
2. BWhen they keep a resident from getting out of bed freely
3. COnly if the rails are padded
4. DNever, because side rails are part of the bed

A resident's dentures seem loose, and she has a sore spot on her gums under them. What should the nursing assistant do?

1. AGlue the dentures in place with extra adhesive
2. BFile down the rough edge of the denture
3. CTell her to stop wearing her dentures for good
4. DReport the loose fit and the sore to the nurse

A resident says her knee hurts. Which information is most useful to report to the nurse?

1. AYour own opinion that the pain cannot be very severe, because she is smiling
2. BWhere it hurts, how bad it is (0–10), what it feels like and when it began
3. CThat she often complains about pain and probably wants attention
4. DOnly that she has pain, since the nurse will ask the details later